Breadcrumb Home > Dictionary > Index C crustacean: Meaning and Definition of Find definitions for: crus•ta•cean Pronunciation: (kru-stā'shun), [key] — n. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. —adj. belonging or pertaining to the crustaceans. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: crustacean (Thesaurus) crust crustaceous TrendingHere are the facts and trivia that people are buzzing about. Ramadan and Eid al-Fitr 42 Best War Movie Quotes Current Events This Week: March 2023 Recycling Facts William Shakespeare Worst U.S. Forest Fires ✖ Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language